Main Vulnerability Database Vulnerabilities #VU75419

Improper Authentication in PaperCut NG and PaperCut MF - CVE-2023-27351

Published: April 24, 2023

Vulnerability identifier: #VU75419

CSH Severity: Critical

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-27351

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error within the SecurityRequestFilter class. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Affected software

PaperCut NG
PaperCut MF

How to mitigate CVE-2023-27351

Install updates from vendor's website.

PaperCut NG - addressed in versions 20.1.7, 21.2.11, 22.0.9
PaperCut MF - addressed in versions 20.1.7, 21.2.11, 22.0.9

External References

Related Security Bulletins